Home / 45,842,973.80-63,257,555.57-30,990,612.56

Finding the Fourth Proportional to 45,842,973.80, 63,257,555.57 and 30,990,612.56

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Solution

The fourth proportional to 45,842,973.80, 63,257,555.57 and 30,990,612.56 is: 42,763,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,842,973.80 : 63,257,555.57 = 30,990,612.56 : x
  2. Step 2: Convert to fraction form
    45,842,973.80/63,257,555.57 = 30,990,612.56/x
  3. Step 3: Cross multiply
    45,842,973.80x = 63,257,555.57 × 30,990,612.56
  4. Step 4: Simplify right side
    45,842,973.80x = 1,960,390,395,691,299
  5. Step 5: Solve for x
    x = 1,960,390,395,691,299/45,842,973.80
  6. Step 6: Final answer
    x = 42,763,159.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.